test: treat undefined feature variables as 0

[notmuch] / test / T095-address.sh

diff --git a/test/T095-address.sh b/test/T095-address.sh
index 8bb3627ac1f0e39307d134548b4a2122ddcba51d..0cafbe20f11a0140cac8df350d6e9900ec52251e 100755 (executable)
--- a/test/T095-address.sh
+++ b/test/T095-address.sh
@@ -325,7 +325,7 @@ cat <<EOF >EXPECTED
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
-if [[ NOTMUCH_HAVE_SFSEXP = 1 ]]; then
+if [ "${NOTMUCH_HAVE_SFSEXP-0}" = "1" ]; then
     test_begin_subtest "sexpr query: all messages"
     notmuch address '*' > EXPECTED
     notmuch address --query=sexp '()' > OUTPUT